Add missing CheckGLError and whitespace tidy up this block. Fixes #1878
Merge pull request #2373 from danzel/fix-1878

Add missing CheckGLError
Remove MonoLive/MonoLiveClient and entries in protobuild. Fixes #1519
Merge pull request #2374 from danzel/fix-1519

Remove MonoLive/MonoLiveClient and entries in protobuild.
Correct handling of WeakReference so they are correctly removed from the list. Fixes #1991
Set _selfReference to null after removing it from the collection
Merge pull request #2375 from danzel/fix-1991

Correct handling of WeakReference so they are correctly removed from the list
Merge back from develop